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chemistry
Chemistry is the study of the constitution of matter and its interactions; it has numerous applications, including biochemistry, electrochemistry and nuclear chemistry.


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chemistry symbols
Symbols that simplify the writing of the elements, formulas and chemical reactions.


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laboratory equipment
These materials are highly varied: measurement instruments, various containers, heat sources, experimentation materials and mounting hardware.


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matter
Any substance that has mass, is composed of atoms and occupies space.


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chemical elements
There are more than 110 chemical elements, most of which are naturally present in the universe. The others are created artificially in the laboratory.